64.48% is the change from 259 to 426
Calculation steps:
[( 426 - 259 ) ÷ 259] x 100 = 64.48%
Formula
Percentage change = [(426 - 259) / 259] x 100
Subtract the new number by the original number
426 - 259 = 167
167 ÷ 259 = 0.6447876447876448
0.6447876447876448 x 100 = 64.48%